The sciopticon manual : explaining Marcy's new magic lantern, and light, including magic lantern optics, experiments, photographing and coloring slides, etc. (1874)
Marcy, L. J., author · Philadelphia : L.J. Marcy · leaf 72
62 SCIOPTICON MANUAL. exposed in the camera, carried into the dark-room, and developed, fixed, and toned. If many positives are to he made from negatives of different sizes, it will be found convenient to arrange two cameras front to front (as will be seen in Fig. 23), … Fig. 83. one camera having a lens in position with ground-glass No. 1 ; the other having the lens and ground-glass re¬ moved, and the negative that is to be copied placed in the position of ground-glass No. 3. The cameras, for convenience, can be closely joined together by screwing strips of wood…
Lantern projection · Slides (Photography)
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
